There are no active watches, warnings or advisories for Jefferson (Colorado).

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
Bulletin Board
UV Index 8.2 - Sunburn in 15 to 20 minutes
METRIC | IMPERIAL
Updated: 08/27/2014 @ 10:55:00 am  
Summary / Temperature Wind Rain/Melted Snow Fire Risk


Sunny, Dry
Sunny, Dry

66.7°F Warmer 3.2°F than last hour.
---
Currently 66.7, Max: 66.7, Min: 57.5 Feels like:
67°F

24-hr
difference
2.6°FWarmer 2.6°F than yesterday at this time.
TEMP: HIGH: LOW:
Today: 66.7°F 57.5°F
10:54am 6:32am
Yesterday: 72.5°F 55.8°F
12:19pm 6:45am
Record: 95.0°F 46.0°F
2001 1987
Normal: 82.0°F 58.0°F
 Wind from N N
4.7
Gust:
6.0
Light Breeze
60-Min Avg: 3.0 mph
120-Min Avg: 1.6 mph
Max Gust: 11.0 mph 1:19am
Month: 36.0 mph Aug 7
Today: 0.00 in
Yesterday: 0.04 in
Last
Rain:
8/26/2014
10:08 PM
August: 0.66 in
Last 7 Days: 0.20 in
Rain Season:1 13.39 in
Rain Days: 78 in 2014
13 rain days in August.
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
7.5
at 10:55 AM
Barometer Humidity/Dew Point Sun/Moon
Current: 29.865 inHg No Change
1-Hr Trend: Steady
3-Hr Trend: Steady
Today: Todays High 29.911
Todays Low 29.842
Humidity: 63 % Decreased 10% since last hour.
Humidex: 70.8°F     
Today: Todays High     
Todays Low     
Dew Point: 53.7°F Decreased 1°F since last hour.
Wetbulb: 59.4°F     
Daylight:
Possible hours of Daylight
13:16
+ -00:03 Min
NEW MOON, 2 days, 2 hours, 43 minutes in cycle
0% Illuminated
Current UV Index Current Solar Energy
8.2
Sunburn in
14 Minutes
Highest:
10:52am
8.2
Energy: 921 W/m2 (100 %)
High: 930 at  10:53am
Feels like: 81.1°F
Heat Index Cooling Degree Days Air Quality6
Current: 66.7°F
Today: 66.7°F  10:54am
Yesterday: 72.5°F
Last Week: 82.5°F
Record: 99.7°F   26-Aug-2012
Today: 0.0
August: 119.7
2014 to Date: 437.9
Heating Degree Days
2014 to Date: 3226.6
Current AQI

35


Good
Snow3 Irrigation Index5 Station All Time Records Cloud Level
Today: 0.00 in
Yesterday: 0.00 in
August: 0.00 in
Season Total:2 46.25 in
Snow Depth: 0.00 in
0 snow day in August
26 snow days this season.2
Updated at Midnight
Current: 0.07 in   
7-Days Rain: 0.20 in   
7-Days ET: 1.07 in   
7-Day: -0.871 in 0.871 in water in deficit of what evaporated in last 7 days.
August: -4.33 in 4.33 in water in deficit of what evaporated this month.
Outside Now
Air Density: 1.198 kg/m3
HIGHS: LOWS:
99.3°F
25-Jun-2012
-13.9°F
02-Feb-2011
Daytime Records
    95.5°F
25-Jun-2012
  -4.9°F
01-Feb-2011
Nitetime Records
  82.0°F
24-Jun-2012
-9.4°F
02-Feb-2011
ICN:0 ISS:Ok CON:4.6 RCP:100%
1 Rain season: Jan 1st to Dec 31st.    2 Snow season October 1st to September 30th.    3 Snow manually measured usually around 7AM and 7PM.    5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present.) 6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.
 NWS Weather Forecast  -   Outlook Today & Tonight
Today

T-Storms Likely. Chance for Measurable Precipitation 70%
T-Storms
Likely
Hi 72 °F
NWS forecast: Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 72. North wind 5 to 8 mph. Chance of precipitation is 70%.
WXSIM forecast: Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. High 76°. UV index up to 9. Wind north-northwest around 2 mph in the morning, becoming northeast in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than a tenth of an inch.
Tonight

Chance T-Storms. Chance for Measurable Precipitation 50%
Chance
T-Storms
Lo 53 °F
NWS forecast: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North wind 5 to 7 mph becoming west after midnight.
WXSIM forecast: Fair to partly cloudy in the evening, becoming fair after midnight. A slight chance of rain. Low 54°. Wind north-northwest around 4 mph in the evening, becoming west after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than a tenth of an inch.
 NWS Short Term Weather Forecast
Tonight

Chance T-Storms. Chance for Measurable Precipitation 50%
Chance
T-Storms
Lo 53 °F
Thursday

Chance T-Storms. Chance for Measurable Precipitation 30%
Chance
T-Storms
Hi 74 °F
Thursday
Night

Slight Chc T-Storms. Chance for Measurable Precipitation 20%
Slight Chc
T-Storms
Lo 54 °F
Friday

Sunny
Sunny

Hi 77 °F
Friday
Night

Mostly Clear
Mostly
Clear
Lo 55 °F
Saturday

Sunny
Sunny

Hi 81 °F
Saturday
Night

Partly Cloudy
Partly
Cloudy
Lo 58 °F
Sunday

Mostly Sunny
Mostly
Sunny
Hi 83 °F
Version 5.03 09-Apr-2010 - Script Mods by: WebsterWeatherLIVE.com
Some Colorado Weather Facts:
Humidity is about 33 percent.

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